GFB Blow-Off Valves, Diverter Valves & Boost Controllers | ModsDirect

Upgrade your turbo system with GFB (Go Fast Bits) Performance Blow-Off Valves, Diverter Valves (DV+), and electronic Boost Controllers. Australian-made, direct-fit upgrades engineered for peak performance, better throttle response, and sound customization. Shop GFB at ModsDirect.